for a particular diamond mine ,80% of all the diamonds fail to qualify as gemstones grade. a random sample of 113 diamonds is analysed. find the standard deviation

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane